Of all the people applying for a certain job,90%are qualified and10%are not. The personnel manager claims that she approves qualified people70%of the time; she approves unqualified people20%of the time. Find the probability that a person isqualifiedif the person wasapprovedby the manager. Of all the people applying for a certain job, 90% are qualified and 10% are not. The personnel manager claims that she approves qualified people 70% of the time; she approves unqualified people 20% of the time. Find the probability that aperson is qualified if the person was approved by the manager.

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Of all the people applying for a certain job, 90% are qualified and 10% are not. The personnel manager claims that she approves qualified people 70% of the time; she approves unqualified people 20% of the time. Find the probability that a person is

Of all the people applying for a certain job, 90% are qualified and 10% are not. The personnel manager claims that she approves qualified people 70% of the time; she approves unqualified people 20% of the time. Find the probability that a person is

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Of all the people applying for a certain job,

90%

are qualified and

10%

are not. The personnel manager claims that she approves qualified people

70%

of the time; she approves unqualified people

20%

of the time. Find the probability that a person is

qualified

if the person was

approved

by the manager.

Of all the people applying for a certain job, 90% are qualified and 10% are not. The personnel manager claims that she approves qualified people 70% of the time; she approves unqualified people 20% of the time. Find the probability that a
person is qualified if the person was approved by the manager.

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